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We propose a novel filter for segmenting the regions of interest from LiDAR 3D point cloud for multirotor aerial vehicles. It is specially targeted for real-time applications and works on sparse LiDAR point clouds without preliminary…

机器人学 · 计算机科学 2020-10-12 Geesara Prathap , Roman Fedorenko , Alexandr Klimchik

Speckle filtering is generally a prerequisite to the analysis of synthetic aperture radar (SAR) images. Tremendous progress has been achieved in the domain of single-image despeckling. Latest techniques rely on deep neural networks to…

图像与视频处理 · 电气工程与系统科学 2023-02-08 Inès Meraoumia , Emanuele Dalsasso , Loïc Denis , Rémy Abergel , Florence Tupin

Generating trajectories for synthetic aperture radar (SAR)-equipped aircraft poses significant challenges due to terrain constraints, and the need for straight-flight segments to ensure high-quality imaging. Related works usually focus on…

Layover separation has been fundamental to many synthetic aperture radar applications, such as building reconstruction and biomass estimation. Retrieving the scattering profile along the mixed dimension (elevation) is typically solved by…

信号处理 · 电气工程与系统科学 2021-07-07 Yuanyuan Wang , Xiao Xiang Zhu

Training segmentation models for medical images continues to be challenging due to the limited availability of data annotations. Segment Anything Model (SAM) is a foundation model that is intended to segment user-defined objects of interest…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Maciej A. Mazurowski , Haoyu Dong , Hanxue Gu , Jichen Yang , Nicholas Konz , Yixin Zhang

Detecting ships in synthetic aperture radar (SAR) images is challenging due to strong speckle noise, complex surroundings, and varying scales. This paper proposes MLDet, a multitask learning framework for SAR ship detection, consisting of…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Ming Zhao , Xin Zhang , André Kaup

As a common method in the field of computer vision, spatial attention mechanism has been widely used in semantic segmentation of remote sensing images due to its outstanding long-range dependency modeling capability. However, remote sensing…

图像与视频处理 · 电气工程与系统科学 2025-01-24 Xiaowen Ma , Rongrong Lian , Zhenkai Wu , Renxiang Guan , Tingfeng Hong , Mengjiao Zhao , Mengting Ma , Jiangtao Nie , Zhenhong Du , Siyang Song , Wei Zhang

High-resolution imagery plays a critical role in improving the performance of visual recognition tasks such as classification, detection, and segmentation. In many domains, including remote sensing and surveillance, low-resolution images…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Ch Muhammad Awais , Marco Reggiannini , Davide Moroni , Oktay Karakus

The outstanding pattern recognition performance of deep learning brings new vitality to the synthetic aperture radar (SAR) automatic target recognition (ATR). However, there is a limitation in current deep learning based ATR solution that…

计算机视觉与模式识别 · 计算机科学 2017-12-27 Fan Zhang , Chen Hu , Qiang Yin , Wei Li , Hengchao Li , Wen Hong

Delineating farm boundaries through segmentation of satellite images is a fundamental step in many agricultural applications. The task is particularly challenging for smallholder farms, where accurate delineation requires the use of high…

Semantic image segmentation is one of fastest growing areas in computer vision with a variety of applications. In many areas, such as robotics and autonomous vehicles, semantic image segmentation is crucial, since it provides the necessary…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Georgios Takos

We explore the task of zero-shot semantic segmentation of 3D shapes by using large-scale off-the-shelf 2D image recognition models. Surprisingly, we find that modern zero-shot 2D object detectors are better suited for this task than…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Ahmed Abdelreheem , Ivan Skorokhodov , Maks Ovsjanikov , Peter Wonka

Phase unwrapping is a key problem in many coherent imaging systems, such as synthetic aperture radar (SAR) interferometry. A general formulation for redundant integration of finite differences for phase unwrapping (Costantini et al., 2010)…

其他计算机科学 · 计算机科学 2018-05-04 Ravi Lanka

Target detection is the front-end stage in any automatic target recognition system for synthetic aperture radar (SAR) imagery (SAR-ATR). The efficacy of the detector directly impacts the succeeding stages in the SAR-ATR processing chain.…

图像与视频处理 · 电气工程与系统科学 2018-04-16 Khalid El-Darymli , Peter McGuire , Desmond Power , Cecilia Moloney

Morphological reconstruction (MR) is often employed by seeded image segmentation algorithms such as watershed transform and power watershed as it is able to filter seeds (regional minima) to reduce over-segmentation. However, MR might…

计算机视觉与模式识别 · 计算机科学 2019-10-02 Tao Lei , Xiaohong Jia , Tongliang Liu , Shigang Liu , Hongying Meng , Asoke K. Nandi

Efficient and accurate extraction of microstructures in micrographs of materials is essential in process optimization and the exploration of structure-property relationships. Deep learning-based image segmentation techniques that rely on…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Changtai Li , Xu Han , Chao Yao , Xiaojuan Ban

Synthetic Aperture RADAR is a radar imaging technique in which the relative motion of the sensor is used to synthesize a very long antenna and obtain high spatial resolution. The increasing interest of the scientific community to simplify…

信号处理 · 电气工程与系统科学 2018-06-05 Cataldo Guaragnella , Tiziana D'Orazio

Semantic segmentation is a challenging task since it requires excessively more low-level spatial information of the image compared to other computer vision problems. The accuracy of pixel-level classification can be affected by many…

计算机视觉与模式识别 · 计算机科学 2022-05-27 Zülfiye Kütük , Görkem Algan

The ability to detect and segment moving objects in a scene is essential for building consistent maps, making future state predictions, avoiding collisions, and planning. In this paper, we address the problem of moving object segmentation…

机器人学 · 计算机科学 2021-07-15 Xieyuanli Chen , Shijie Li , Benedikt Mersch , Louis Wiesmann , Jürgen Gall , Jens Behley , Cyrill Stachniss

The development and application of various remote sensing platforms result in the production of huge amounts of satellite image data. Therefore, there is an increasing need for effective querying and browsing in these image databases. In…

多媒体 · 计算机科学 2010-04-13 H. B. Kekre , Saylee Gharge , Tanuja K. Sarode